The ALL-NEW 600 INDY® SP 129 brings high performance trail riders ultimate handling and trail versatility. Rider Balanced Control AXYS® Chassis: The AXYS® chassis provides Rider Balanced® performance for control, precision, and the highest fun factor. Polaris® IFP Shocks: Polaris Internal Floating Piston Shocks deliver both durability and high-performance. They perform reliably under the harshest conditions and also deliver a smooth ride & handling. Shocks deliver smooth, sure handling; Durable, built to withstand the rigors of all terrain and conditions; Rebuildable for consistent performance season after season and enhanced long-term value ALL-NEW PRO-CC Rear Suspension: The ALL-NEW PRO-CC Rear Suspension is the next generation rear suspension from Polaris®. It produces the industry's best acceleration, handling, and a consistently smooth ride. The rear skid's coupled design controls pitch through geometry without reducing the fun factor. The front torque arm is calibrated for trail compliance without bottoming. The rear torque arm features a torque link and has an optimized position for Rider Balanced™ Control. Ultimate Trail Versatility Storage: Storage comes standard on all INDY® 129 models with additional accessory storage options available for greater versatility. Standard integrated underseat storage bag provides 1024 cubic inches of secure storage space with a weather-tight design that seals out snow; Accessory storage solutions are available that install quickly, easily, and securely, and can be used with or without the 2-up seat. Passenger Seat: Ride solo or 2-up with the optional CT2 accessory passenger seat that installs easily and requires no suspension adjustments to maintain outstanding ride and handling . A heated passenger seat and passenger grips are also available as an accessory and connects to the sled's wiring harness for power. Unrivaled Acceleration Lightweight: Polaris offers the lightest weight 129" sleds on the market and with the all new PRO-CC rear suspension and AXYS chassis, this family of sleds features industry-leading acceleration. 600 Cleanfire® Engine: The 600 Cleanfire® engine is part of the Polaris family of Liberty engines built in the USA. This engine is a 600cc, liquid-cooled, SDI engine that provides proven reliable performance, instant acceleration, easy starting and great response. Track: The 600 INDY SP 129 comes standard with the 15 x 129 x 1.25 Ripsaw II track for ultimate traction on both hard-pack and loose snow.